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docs/doc/source/system_configuration/kubernetes/changing-the-mtu-of-an-oam-interface-using-the-cli.rst
Rafael Jardim 01ba8ebfd6 Update system configuration 
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starlingx_upstreaming/commits/3b193cc3aa566b2040c7226a9ed32d08bd91b82f


Signed-off-by: Rafael Jardim <rafaeljordao.jardim@windriver.com>
Change-Id: I461fce0c81f4605c200572ff71ae52cc889a856b
2021-03-08 10:52:00 -03:00

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Change the MTU of an OAM Interface Using the CLI

You can change the value of an interface using the CLI.

If you prefer, you can use the Horizon Web interface; see Change the MTU of an OAM Interface Using Horizon <changing-the-mtu-of-an-oam-interface-using-horizon>.

Controller configuration changes require each controller to be locked. This requires a swact.

  1. Lock the standby controller.

    ~(keystone_admin)]$ system host-lock controller-1

  2. Use the system host-if-modify command to specify the interface and the new MTU value on the standby controller. This example assumes the interface name as oam0.

    ~(keystone_admin)]$ system host-if-modify controller-1 oam0 --imtu 1600

  3. Unlock the standby controller.

    ~(keystone_admin)]$ system host-unlock controller-1

  4. Swact the controllers.

    ~(keystone_admin)]$ system host-swact controller-1

  5. Lock the new standby controller.

    ~(keystone_admin)]$ system host-lock controller-0

  6. Modify the of the corresponding interface on the standby controller.

    ~(keystone_admin)]$ system host-if-modify controller-0 oam0 --imtu 1600

  7. Unlock the standby controller.

    ~(keystone_admin)]$ system host-unlock controller-0